Home / 558,956.28-771,359.08-304,307.48

Finding the Fourth Proportional to 558,956.28, 771,359.08 and 304,307.48

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Solution

The fourth proportional to 558,956.28, 771,359.08 and 304,307.48 is: 419,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,956.28 : 771,359.08 = 304,307.48 : x
  2. Step 2: Convert to fraction form
    558,956.28/771,359.08 = 304,307.48/x
  3. Step 3: Cross multiply
    558,956.28x = 771,359.08 × 304,307.48
  4. Step 4: Simplify right side
    558,956.28x = 234,730,337,809.92
  5. Step 5: Solve for x
    x = 234,730,337,809.92/558,956.28
  6. Step 6: Final answer
    x = 419,944.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.